OCZ Blade ST 1600Mhz don't want to go over 1616Mhz :O

teribilis · Feb 22, 2011, 06:14 PM

Hello after having some problems with my previous ram kit, I'm currently overclocking my new config:
Gigabyte 790XTA-UD4
AMD Phenom II X4 955 Be C2
OCZ Blade ST 12800 DDR3 1.65V

At first, I wanted to know ram limits: It is supposed to be run at
7-8-8-24/1600Mhz/1.65V
Okay, the only way to be stable was to put the CPU-NB voltage at 1.3V
But when I put the FSB further than 202, it will be prime95 unstable.
So, is my ram showing its limits at 1616Mhz ??

I saw a topic where a guy was a 1.71V ram voltage but at 6-7-6-21/1600Mhz
Am I making a mistake ?

erocker · Feb 22, 2011, 06:15 PM

Try adding RAM voltage. 1.71v is perfectly safe with an AMD system. It's possible the RAM you have just isn't capable of doing much overclocking.

teribilis · Feb 22, 2011, 06:26 PM

Well as I said i saw someone going to 6-7-6-21 1600 at 1.71V
On another topic I can read :"OCZ Blade ST with Elpida BBSE IC's that can reach 1600 6-7-6 easily"
And effectively Elpida BBSE seems to be a terrifying chip.

Even at 1.71V I can't be prime stable at 7-7-7-24 1600Mhz

DanishDevil · Feb 22, 2011, 06:30 PM

RAM goes through a lot of revisions, and the number 1 revision that they go through is a change of IC's. You might not have BBSE's.

This is a far from complete, and not perfectly updated, but helpful guide:

http://ramlist.i4memory.com/ddr3/

teribilis · Feb 22, 2011, 06:41 PM

Yes i read this guide and my ram is not listed

I'm becoming crazy, only 16Mhz of overclocking is unbelievable. Do you think that lowering timings might be useful ?

DanishDevil · Feb 22, 2011, 06:45 PM

Lowering timings means higher performance. They are often referred to as "tighter" timings to imply that they are faster, rather than "lower" timings.

Many kits out there today are binned extremely well so that they won't overclock much, but the manufacturer can offer different price points for RAM.

For your system, I would recommend leaving the RAM as it is, and focus on overclocking the processor. It's a BE, so all you've got to do is raise the multi and voltage on it, and you should be good to go.

Also, keep in mind that Your Mileage May Vary with any overclocking. Just because Joe clocked his sticks to whatever doesn't mean your kit should do the same.

teribilis · Feb 22, 2011, 06:55 PM

When saying lowering I effectively wanted to say tightening, being french, English can be an obstacle in technical language

I can understand chips are different but i could not imagine that puting the fsb at 203 instead of 200 might make the ram unstable ..

cdawall · Feb 22, 2011, 07:03 PM

sounds like a 790FX board and C2 chip combined with PSC. what revision are your memory and whats the manuf. date

OCZ Blade SuperTuned 4GB (2 x 2GB) 240-Pin DDR3 SD...

that kit is not BBSE that kit is PSC.

cadaveca · Feb 22, 2011, 07:04 PM

Quote:

Originally Posted by teribilis

I can understand chips are different but i could not imagine that puting the fsb at 203 instead of 200 might make the ram unstable ..

You also increase northbridge speed when increasing the cpu's bus, so it might not have anything to do with the memory at all.

teribilis · Feb 22, 2011, 07:21 PM

Quote:

sounds like a 790FX board and C2 chip combined with PSC. what revision are your memory and whats the manuf. date

OCZ Blade SuperTuned 4GB (2 x 2GB) 240-Pin DDR3 SD...

that kit is not BBSE that kit is PSC.

Hm I don't really understand the problem. For the revision, I don't know

and the manuf date is last january, dimms are brand new and coming from Taiwan after a RMA.

Quote:

You also increase northbridge speed when increasing the cpu's bus, so it might not have anything to do with the memory at all.

I don't think so because I'm currently prime stable with a 2600Mhz CPU-NB and 3700Mhz CPU with my ram at 1600. Furthermore when I put the FSB at 250 but lower the multi and desynchro the ram at 6.66x to test, everything is prime stable.

timta2 · Feb 22, 2011, 07:28 PM

Quote:

Do you think that lowering timings might be useful ?

Yes, you might have to back off on the timings to increase clock speed. Sometimes you have to compromise.

Try 8-8-8-24 and see where that gets you.

cdawall · Feb 22, 2011, 07:37 PM

Quote:

Originally Posted by teribilis

Hm I don't really understand the problem. For the revision, I don't know

and the manuf date is last january, dimms are brand new and coming from Taiwan after a RMA.

ram is PSC what BIOS revision is your board on

teribilis · Feb 22, 2011, 07:43 PM

I'm on the last F3 bios

sneekypeet · Feb 22, 2011, 07:45 PM

Quote:

Originally Posted by timta2

Try 8-8-8-24 and see where that gets you.

not if they are PSC chips. you need to run at least a +1 tRCD for IC for stability

cdawall · Feb 22, 2011, 07:47 PM

Quote:

Originally Posted by sneekypeet

not if they are PSC chips. you need to run at least a +1 tRCD for IC for stability

they aren't fun on AMD i would bet that the chips wont be stable over 1600 he can try 7-9-7 and see were that goes.

sneekypeet · Feb 22, 2011, 07:51 PM

I agree, most PSC sticks are super tuned to Intel rigs.

teribilis · Feb 22, 2011, 08:18 PM

7-9-7-24 1T @1.71V at 1620Mhz is not prime stable :S

sneekypeet · Feb 22, 2011, 08:20 PM

wait...you're testing ram with Prime? Try memtest86+ ver.4.2

Also are you changing anything else with the ram clocking? 1620 is an odd number, seems to me multiple things are changing at once.

teribilis · Feb 22, 2011, 08:23 PM

Well, with the HT at 205Mhz, if I put my ram at 6.66x to be sure it is not the cause, I can prime blend during 8 hours. Then, when I get errors at 8x I effectively conclude it is the ram fault.

Effectively it is 1640 and not 1620: 205*8

sneekypeet · Feb 22, 2011, 08:25 PM

ahh I got ya now.

teribilis · Feb 22, 2011, 08:32 PM

Hmm 7-9-8-24 at 1640Mhz seems more stable as prime doesn't return errors ftm.
Anyway when I'm benching my ram, results in read, copy, write at 7-8-8-24 1600 are quite the same as 7-9-8-24 1640.
Is the second option preferable as it lets me play a little more with the HT?

cdawall · Feb 22, 2011, 08:34 PM

Quote:

Originally Posted by teribilis

Hmm 7-9-8-24 at 1640Mhz seems more stable as prime doesn't return errors ftm.
Anyway when I'm benching my ram, results in read, copy, write at 7-8-8-24 1600 are quite the same as 7-9-8-24 1640.
Is the second option preferable as it lets me play a little more with the HT?

you could try 6-9-6 also and for HT clocking there isn't any reason to do so but you could just drop the ram speed

teribilis · Feb 22, 2011, 08:36 PM

Quote:

Originally Posted by teribilis

7-9-7-24 1T @1.71V at 1620Mhz is not prime stable :S

I don't think 6-9-6-24 will be more stable

brandonwh64 · Feb 22, 2011, 08:38 PM

Have you tried CL8?

cdawall · Feb 22, 2011, 08:39 PM

Quote:

Originally Posted by brandonwh64

Have you tried CL8?

thats not the issue PSC and old AMD IMC's don't play together

Feb 22, 2011, 06:14 PM	#1
teribilis Join Date: Jan 2011 Posts: 25 (0.03/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	OCZ Blade ST 1600Mhz don't want to go over 1616Mhz :O Hello after having some problems with my previous ram kit, I'm currently overclocking my new config: Gigabyte 790XTA-UD4 AMD Phenom II X4 955 Be C2 OCZ Blade ST 12800 DDR3 1.65V At first, I wanted to know ram limits: It is supposed to be run at 7-8-8-24/1600Mhz/1.65V Okay, the only way to be stable was to put the CPU-NB voltage at 1.3V But when I put the FSB further than 202, it will be prime95 unstable. So, is my ram showing its limits at 1616Mhz ?? I saw a topic where a guy was a 1.71V ram voltage but at 6-7-6-21/1600Mhz Am I making a mistake ?

Processor:	AMD Phenom X4 955 BE
Motherboard:	Gigabyte GA-790XTA-UD4
Memory:	OCZ black edition 12800 2*2Go
Video Card:	Sapphire HD5850

Feb 22, 2011, 06:15 PM	#2
erocker Senior Moderator Join Date: Jul 2006 Location: Milwaukee, WI. Posts: 32,292 (12.78/day) Thanks: 2,817 Thanked 12,452 Times in 7,918 Posts System Specs	Try adding RAM voltage. 1.71v is perfectly safe with an AMD system. It's possible the RAM you have just isn't capable of doing much overclocking. __________________

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Feb 22, 2011, 06:26 PM	#3
teribilis Join Date: Jan 2011 Posts: 25 (0.03/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	Well as I said i saw someone going to 6-7-6-21 1600 at 1.71V On another topic I can read :"OCZ Blade ST with Elpida BBSE IC's that can reach 1600 6-7-6 easily" And effectively Elpida BBSE seems to be a terrifying chip. Even at 1.71V I can't be prime stable at 7-7-7-24 1600Mhz

Feb 22, 2011, 06:30 PM	#4
DanishDevil Eligible for custom title Join Date: Oct 2005 Location: Newport Beach, CA Posts: 8,633 (3.07/day) Thanks: 1,366 Thanked 2,018 Times in 1,585 Posts System Specs	RAM goes through a lot of revisions, and the number 1 revision that they go through is a change of IC's. You might not have BBSE's. This is a far from complete, and not perfectly updated, but helpful guide: http://ramlist.i4memory.com/ddr3/ __________________ [B/S/T: FS/FT Cisco VPN Gigabit Routers \| WTB] [Logitech Z-5500 Digital Soundroom \| The TPU Darkroom \| The TPU Zune Social \| Tech Net Subscribers Club]

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Feb 22, 2011, 06:41 PM	#5
teribilis Join Date: Jan 2011 Posts: 25 (0.03/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	Yes i read this guide and my ram is not listed I'm becoming crazy, only 16Mhz of overclocking is unbelievable. Do you think that lowering timings might be useful ?

Feb 22, 2011, 06:45 PM	#6
DanishDevil Eligible for custom title Join Date: Oct 2005 Location: Newport Beach, CA Posts: 8,633 (3.07/day) Thanks: 1,366 Thanked 2,018 Times in 1,585 Posts System Specs	Lowering timings means higher performance. They are often referred to as "tighter" timings to imply that they are faster, rather than "lower" timings. Many kits out there today are binned extremely well so that they won't overclock much, but the manufacturer can offer different price points for RAM. For your system, I would recommend leaving the RAM as it is, and focus on overclocking the processor. It's a BE, so all you've got to do is raise the multi and voltage on it, and you should be good to go. Also, keep in mind that Your Mileage May Vary with any overclocking. Just because Joe clocked his sticks to whatever doesn't mean your kit should do the same. __________________ [B/S/T: FS/FT Cisco VPN Gigabit Routers \| WTB] [Logitech Z-5500 Digital Soundroom \| The TPU Darkroom \| The TPU Zune Social \| Tech Net Subscribers Club]

Feb 22, 2011, 06:55 PM	#7
teribilis Join Date: Jan 2011 Posts: 25 (0.03/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	When saying lowering I effectively wanted to say tightening, being french, English can be an obstacle in technical language I can understand chips are different but i could not imagine that puting the fsb at 203 instead of 200 might make the ram unstable ..

Feb 22, 2011, 07:03 PM	#8
cdawall where the hell are my stars Join Date: Jul 2006 Location: some AF base Posts: 16,182 (6.41/day) Thanks: 460 Thanked 2,810 Times in 2,256 Posts System Specs	sounds like a 790FX board and C2 chip combined with PSC. what revision are your memory and whats the manuf. date OCZ Blade SuperTuned 4GB (2 x 2GB) 240-Pin DDR3 SD... that kit is not BBSE that kit is PSC. __________________

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Feb 22, 2011, 07:43 PM	#13
teribilis Join Date: Jan 2011 Posts: 25 (0.03/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	I'm on the last F3 bios

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Feb 22, 2011, 07:51 PM	#16
sneekypeet Unpaid Babysitter Join Date: Apr 2006 Posts: 19,115 (7.28/day) Thanks: 3,062 Thanked 5,500 Times in 3,959 Posts System Specs	I agree, most PSC sticks are super tuned to Intel rigs. __________________ Hers: ASUS Maximus V Gene / i7 3770K / Swiftech H220 / 4X8GB Corsair Dominators / ASUS GTX660 / Corsair AX-760 / Windows 7 64bit / Fractal Design ARC Midi R2 Test: Gigabyte Z68X-UD4-B3 / i7 2600K / A lot Of Coolers / Ripjaws Currently / HIS HD7950 IceQ Turbo / Silverstone SST-ST85F-G / Windows 7 64bit / InWin D-Frame Limited Edition

Feb 22, 2011, 08:18 PM	#17
teribilis Join Date: Jan 2011 Posts: 25 (0.03/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	7-9-7-24 1T @1.71V at 1620Mhz is not prime stable :S

Feb 22, 2011, 08:20 PM	#18
sneekypeet Unpaid Babysitter Join Date: Apr 2006 Posts: 19,115 (7.28/day) Thanks: 3,062 Thanked 5,500 Times in 3,959 Posts System Specs	wait...you're testing ram with Prime? Try memtest86+ ver.4.2 Also are you changing anything else with the ram clocking? 1620 is an odd number, seems to me multiple things are changing at once. __________________ Hers: ASUS Maximus V Gene / i7 3770K / Swiftech H220 / 4X8GB Corsair Dominators / ASUS GTX660 / Corsair AX-760 / Windows 7 64bit / Fractal Design ARC Midi R2 Test: Gigabyte Z68X-UD4-B3 / i7 2600K / A lot Of Coolers / Ripjaws Currently / HIS HD7950 IceQ Turbo / Silverstone SST-ST85F-G / Windows 7 64bit / InWin D-Frame Limited Edition

Feb 22, 2011, 08:23 PM	#19
teribilis Join Date: Jan 2011 Posts: 25 (0.03/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	Well, with the HT at 205Mhz, if I put my ram at 6.66x to be sure it is not the cause, I can prime blend during 8 hours. Then, when I get errors at 8x I effectively conclude it is the ram fault. Effectively it is 1640 and not 1620: 205*8

Feb 22, 2011, 08:25 PM	#20
sneekypeet Unpaid Babysitter Join Date: Apr 2006 Posts: 19,115 (7.28/day) Thanks: 3,062 Thanked 5,500 Times in 3,959 Posts System Specs	ahh I got ya now. __________________ Hers: ASUS Maximus V Gene / i7 3770K / Swiftech H220 / 4X8GB Corsair Dominators / ASUS GTX660 / Corsair AX-760 / Windows 7 64bit / Fractal Design ARC Midi R2 Test: Gigabyte Z68X-UD4-B3 / i7 2600K / A lot Of Coolers / Ripjaws Currently / HIS HD7950 IceQ Turbo / Silverstone SST-ST85F-G / Windows 7 64bit / InWin D-Frame Limited Edition

Feb 22, 2011, 08:32 PM	#21
teribilis Join Date: Jan 2011 Posts: 25 (0.03/day) Thanks: 0 Thanked 0 Times in 0 Posts System Specs	Hmm 7-9-8-24 at 1640Mhz seems more stable as prime doesn't return errors ftm. Anyway when I'm benching my ram, results in read, copy, write at 7-8-8-24 1600 are quite the same as 7-9-8-24 1640. Is the second option preferable as it lets me play a little more with the HT?

Feb 22, 2011, 08:38 PM	#24
brandonwh64 Addicted to Bacon and StarCrunches!!! Join Date: Sep 2009 Location: Chatsworth, GA Posts: 13,667 (9.89/day) Thanks: 2,165 Thanked 5,382 Times in 3,729 Posts System Specs	Have you tried CL8? __________________ Cruncher's: All GPU's GPU's: 7970 3GB = 8 Threads 5770 1GB OCed = 2 Threads

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